June 29, 2013 @ 7:06 AM

How do you know when it is time to replace an asphalt shingle roof replacement?

A: There are many clues which will provide you with a general sense of when it may be time for an Asphalt Shingle Roof Replacement.  One of the first clues can be the age of the roof. If your roof is in between 18-24 years old, it is typically time for a roof replacement. Newer roofs can fail as well, so it's a smart idea to do a quick roof inspection each year. You will not necessarily need to use a ladder. A video camera with a good zoom lens or a pair of binoculars will make it easy to see the roof from the ground and may be a lot safer. You can generally spot most problems from the ground so this is a good place to begin. 

A few things to look for are shingles that are lifting or curling up, missing or cracked shingle tiles, broken shingles with curled edges, or dark areas where the protective granules have worn away. Another place to examine is the attic, it is best to do this during the day while the sun is shining, turn the lights off, check the plywood sheathing for water stains, around the chimney, and any vent pipes. If you see light, there may be holes in the roofing materials, or the flashing could be damaged. One final indication is simply that the roofing materials no longer appear to be in good condition. If you believe you may already have leaks in the attic, it is best to scan the roof sheathing from inside the attic during a heavy rainstorm for signs of water dripping or damp spots which would show up during a heavy rain.

If you discover any of these types of problems, it is time to contact a reputable roofer.

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